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Finding the Third Proportional to 71,265 and 107,370

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Solution

The third proportional to 71,265 and 107,370 is: 161,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265 : 107,370 = 107,370 : x
  2. Step 2: Convert to fraction form
    71,265/107,370 = 107,370/x
  3. Step 3: Cross multiply
    71,265x = 107,370 × 107,370
  4. Step 4: Simplify right side
    71,265x = 11,528,316,900
  5. Step 5: Solve for x
    x = 11,528,316,900/71,265
  6. Step 6: Final answer
    x = 161,766.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.